Andy pulls out all the stops to give Erin a memorable Secretary's Day. Michael reluctantly takes Erin out to lunch and lets slip about Andy's relationship with Angela. Meanwhile, Oscar circulates a video he created that compares Kevin's voice to Sesame Street's Cookie Monster.
Elenco: Rainn Wilson , John Krasinski , Jenna Fischer , Brian Baumgartner , Oscar Nunez , Angela Kinsey , Craig Robinson , Ed Helms , Leslie David Baker , Phyllis Smith , Ellie Kemper , Creed Bratton , Kate Flannery , Jochen Busse , Thorsten Nindel , Ulrike Bliefert , Jake Lacy , Clark Duke , Ali Hartman , Susanne Hartman , Catherine Tate .